Re: [PATCH 4/6] fbcon: fbcon_is_inactive() -> fbcon_is_active()

[Helge Deller <deller@gmx.de>]

On 9/23/24 17:57, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> Invert fbcon_is_inactive() into fbcon_is_active(). Much easier
> on the poor brain when you don't have to do dobule negations
> all over the place.

Agreed.
Acked-by: Helge Deller <deller@gmx.de>


> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> ---
>   drivers/video/fbdev/core/fbcon.c | 30 +++++++++++++++---------------
>   1 file changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
> index eb30aa872371..2a78cca3e9de 100644
> --- a/drivers/video/fbdev/core/fbcon.c
> +++ b/drivers/video/fbdev/core/fbcon.c
> @@ -281,12 +281,12 @@ static bool fbcon_skip_panic(struct fb_info *info)
>   #endif
>   }
>
> -static inline int fbcon_is_inactive(struct vc_data *vc, struct fb_info *info)
> +static inline int fbcon_is_active(struct vc_data *vc, struct fb_info *info)
>   {
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	return (info->state != FBINFO_STATE_RUNNING ||
> -		vc->vc_mode != KD_TEXT || ops->graphics || fbcon_skip_panic(info));
> +	return info->state == FBINFO_STATE_RUNNING &&
> +		vc->vc_mode == KD_TEXT && !ops->graphics && !fbcon_skip_panic(info);
>   }
>
>   static int get_color(struct vc_data *vc, struct fb_info *info,
> @@ -1253,7 +1253,7 @@ static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	u_int y_break;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!height || !width)
> @@ -1295,7 +1295,7 @@ static void fbcon_putcs(struct vc_data *vc, const u16 *s, unsigned int count,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->putcs(vc, info, s, count, real_y(p, ypos), xpos,
>   			   get_color(vc, info, scr_readw(s), 1),
>   			   get_color(vc, info, scr_readw(s), 0));
> @@ -1306,7 +1306,7 @@ static void fbcon_clear_margins(struct vc_data *vc, int bottom_only)
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_ops *ops = info->fbcon_par;
>
> -	if (!fbcon_is_inactive(vc, info))
> +	if (fbcon_is_active(vc, info))
>   		ops->clear_margins(vc, info, margin_color, bottom_only);
>   }
>
> @@ -1318,7 +1318,7 @@ static void fbcon_cursor(struct vc_data *vc, bool enable)
>
>   	ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
>
> -	if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1)
> +	if (!fbcon_is_active(vc, info) || vc->vc_deccm != 1)
>   		return;
>
>   	if (vc->vc_cursor_type & CUR_SW)
> @@ -1724,7 +1724,7 @@ static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
>   	struct fb_info *info = fbcon_info_from_console(vc->vc_num);
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!width || !height)
> @@ -1748,7 +1748,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
>   	struct fbcon_display *p = &fb_display[vc->vc_num];
>   	int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return true;
>
>   	fbcon_cursor(vc, false);
> @@ -2132,7 +2132,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   			fbcon_del_cursor_work(old_info);
>   	}
>
> -	if (fbcon_is_inactive(vc, info) ||
> +	if (!fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2172,7 +2172,7 @@ static bool fbcon_switch(struct vc_data *vc)
>   	scrollback_max = 0;
>   	scrollback_current = 0;
>
> -	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   	    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   	    ops->update_start(info);
>   	}
> @@ -2228,7 +2228,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   		}
>   	}
>
> - 	if (!fbcon_is_inactive(vc, info)) {
> +	if (fbcon_is_active(vc, info)) {
>   		if (ops->blank_state != blank) {
>   			ops->blank_state = blank;
>   			fbcon_cursor(vc, !blank);
> @@ -2242,7 +2242,7 @@ static bool fbcon_blank(struct vc_data *vc, enum vesa_blank_mode blank,
>   			update_screen(vc);
>   	}
>
> -	if (mode_switch || fbcon_is_inactive(vc, info) ||
> +	if (mode_switch || !fbcon_is_active(vc, info) ||
>   	    ops->blank_state != FB_BLANK_UNBLANK)
>   		fbcon_del_cursor_work(info);
>   	else
> @@ -2572,7 +2572,7 @@ static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table)
>   	int i, j, k, depth;
>   	u8 val;
>
> -	if (fbcon_is_inactive(vc, info))
> +	if (!fbcon_is_active(vc, info))
>   		return;
>
>   	if (!con_is_visible(vc))
> @@ -2672,7 +2672,7 @@ static void fbcon_modechanged(struct fb_info *info)
>   		scrollback_max = 0;
>   		scrollback_current = 0;
>
> -		if (!fbcon_is_inactive(vc, info)) {
> +		if (fbcon_is_active(vc, info)) {
>   		    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
>   		    ops->update_start(info);
>   		}